394849972940

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{24403583}}^1$

素因数の和:24404401

約数の個数: 24

約数和(自身を含む): 830209927680

約数和(自身を除く): 435359954740

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 8090, 16180, 24403583, 48807166, 97614332, 122017915, 244035830, 488071660, 19742498647, 39484997294, 78969994588, 98712493235, 197424986470, 394849972940]

約数ペア:

[(1, 394849972940), (2, 197424986470), (4, 98712493235), (5, 78969994588), (10, 39484997294), (20, 19742498647), (809, 488071660), (1618, 244035830), (3236, 122017915), (4045, 97614332), (8090, 48807166), (16180, 24403583)]